The process by which digested nutrients pass through the wall of the small intestine into the blood stream.

Microscopic, finger like projections that line the inner wall and increase surface area of absorption.

The part of an object that makes direct contact with its enviroment.

Is an organ humans do not need; believed once used to digest cellulose in plant matter.

Regular muscle contractions that move food through the digestive tract.

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Lesson 7 Vocab

L7 Vocab

Question	Answer
Absorption	The process by which digested nutrients pass through the wall of the small intestine into the blood stream.
Villi	Microscopic, finger like projections that line the inner wall and increase surface area of absorption.
Surface	The part of an object that makes direct contact with its enviroment.
Appendix	Is an organ humans do not need; believed once used to digest cellulose in plant matter.
Peristalis	Regular muscle contractions that move food through the digestive tract.